<div class="list list-inset">
    <label class="item item-input">
      <input type="text" placeholder="标题" ng-model="msg.title">
    </label>
    <label class="item item-input">
      <input type="text" placeholder="收件人" ng-model="userNames" ng-click="openUserList()">
      <input type="hidden" ng-model="msg.receiveCode">
    </label>   
    <label class="item item-input">
      <textarea rows="20" placeholder="内容" ng-model="msg.content"></textarea>
    </label>
</div>
